Home / 1,942.73-2,681.21-1,156.76

Finding the Fourth Proportional to 1,942.73, 2,681.21 and 1,156.76

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Solution

The fourth proportional to 1,942.73, 2,681.21 and 1,156.76 is: 1,596.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.73 : 2,681.21 = 1,156.76 : x
  2. Step 2: Convert to fraction form
    1,942.73/2,681.21 = 1,156.76/x
  3. Step 3: Cross multiply
    1,942.73x = 2,681.21 × 1,156.76
  4. Step 4: Simplify right side
    1,942.73x = 3,101,516.48
  5. Step 5: Solve for x
    x = 3,101,516.48/1,942.73
  6. Step 6: Final answer
    x = 1,596.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.